mirror/zig
1
0
Fork 0
mirror of https://github.com/ziglang/zig.git synced 2026-01-20 14:25:16 +00:00
Code Issues Packages Projects Releases Wiki Activity

std: add WaitForMultipleObjects for windows

Browse Source
This commit is contained in:
daurnimator 2019-11-19 16:37:29 +11:00
parent 21ca54f560
commit 78c0d33eb7
No known key found for this signature in database
GPG Key ID: 45B429A8F9D9D22A
3 changed files with 41 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

28
lib/std/os/windows.zig
View File

@ -183,6 +183,34 @@ pub fn WaitForSingleObjectEx(handle: HANDLE, milliseconds: DWORD, alertable: boo
}
}
pub fn WaitForMultipleObjectsEx(handles: []const HANDLE, waitAll: bool, milliseconds: DWORD, alertable: bool) !u32 {
assert(handles.len < MAXIMUM_WAIT_OBJECTS);
const nCount: DWORD = @intCast(DWORD, handles.len);
switch (kernel32.WaitForMultipleObjectsEx(
nCount,
handles.ptr,
@boolToInt(waitAll),
milliseconds,
@boolToInt(alertable),
)) {
WAIT_OBJECT_0...WAIT_OBJECT_0 + MAXIMUM_WAIT_OBJECTS => |n| {
const handle_index = n - WAIT_OBJECT_0;
assert(handle_index < nCount);
return handle_index;
},
WAIT_ABANDONED_0...WAIT_ABANDONED_0 + MAXIMUM_WAIT_OBJECTS => |n| {
const handle_index = n - WAIT_ABANDONED_0;
assert(handle_index < nCount);
return error.WaitAbandoned;
},
WAIT_TIMEOUT => return error.WaitTimeOut,
WAIT_FAILED => switch (kernel32.GetLastError()) {
else => |err| return unexpectedError(err),
},
else => return error.Unexpected,
}
}
pub const FindFirstFileError = error{
FileNotFound,
InvalidUtf8,

3
lib/std/os/windows/bits.zig
View File

@ -534,7 +534,10 @@ pub const STARTF_USESTDHANDLES = 0x00000100;
pub const INFINITE = 4294967295;
pub const MAXIMUM_WAIT_OBJECTS = 64;
pub const WAIT_ABANDONED = 0x00000080;
pub const WAIT_ABANDONED_0 = WAIT_ABANDONED + 0;
pub const WAIT_OBJECT_0 = 0x00000000;
pub const WAIT_TIMEOUT = 0x00000102;
pub const WAIT_FAILED = 0xFFFFFFFF;

10
lib/std/os/windows/kernel32.zig
View File

@ -207,6 +207,16 @@ pub extern "kernel32" stdcallcc fn WaitForSingleObject(hHandle: HANDLE, dwMillis
pub extern "kernel32" stdcallcc fn WaitForSingleObjectEx(hHandle: HANDLE, dwMilliseconds: DWORD, bAlertable: BOOL) DWORD;
pub extern "kernel32" stdcallcc fn WaitForMultipleObjects(nCount: DWORD, lpHandle: [*]const HANDLE, bWaitAll:BOOL, dwMilliseconds: DWORD) DWORD;
pub extern "kernel32" stdcallcc fn WaitForMultipleObjectsEx(
nCount: DWORD,
lpHandle: [*]const HANDLE,
bWaitAll:BOOL,
dwMilliseconds: DWORD,
bAlertable: BOOL,
) DWORD;
pub extern "kernel32" stdcallcc fn WriteFile(
in_hFile: HANDLE,
in_lpBuffer: [*]const u8,